(19)
(11) EP 2 532 956 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
25.09.2013 Bulletin 2013/39

(43) Date of publication A2:
12.12.2012 Bulletin 2012/50

(21) Application number: 12170954.7

(22) Date of filing: 06.06.2012
(51) International Patent Classification (IPC): 
F21V 23/00(2006.01)
F21V 29/00(2006.01)
F28D 15/02(2006.01)
 F21K 99/00(2010.01)
F21Y 101/02(2006.01)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 09.06.2011 CN 201110153908
14.12.2011 CN 201110417448
17.01.2012 CN 201210013850

(71) Applicant: Zhongshan Weiqiang Technology Co., Ltd
Baishai Ind. Area Sanxiang Town - Zhongshan City Guangdong (CN)

(72) Inventors:
  • Lee, Ke Chin
    Zhongshan City Guangdong (CN)
  • Chen, Hong Chieh
    Zhongshan City Guangdong (CN)

(74) Representative: Protector IP Consultants AS 
Oscarsgate 20
0352 Oslo
0352 Oslo (NO)

   


(54) LED lighting system and high-power LED lamp


(57) The present invention relates to a high-power LED lamp. The lamp includes an LED module (320), an inner heat sink (301) disposing air passages along an axial direction thereof, a heat pipe assembly (303, 304) including multiple U-shaped heat pipes, and an outer heat sink (302). Middle sections of the heat pipes form a smooth surface on which the LED module (320) is attached. Straight sections of the heat pipes are coiled around the inner heat sink (301). The smooth surface is located at an end of the inner heat sink (301) not to block the air passages of the inner heat sink (301). An annular vapor chamber is packaged a grid-shaped configuration of the heat pipes and attached to each heat pipe. The invention achieves fast heat conduction and dissipates the heat via the inner and outer heat sinks.







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Search report